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发明名称
Apparatus for welding stiffeners to fabricated i-beams
摘要
申请公布号
US3325625(A)
申请公布日期
1967.06.13
申请号
US19630323820
申请日期
1963.11.14
申请人
OGDEN ENGINEERING CORPORATION
发明人
OGDEN RALPH P.;LAWSON WILLIAM P.
分类号
B23K9/02
主分类号
B23K9/02
代理机构
代理人
主权项
地址
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